Polymer Technology Which of the following is a copolymer? Polythene Teflon PVC Bakelite Polythene Teflon PVC Bakelite ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Vulcanisation of rubber does not increase its Oxidation resistance Elasticity & water solubility Weight & strength Softness Oxidation resistance Elasticity & water solubility Weight & strength Softness ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Elastomers are Having high flexural strength Exemplified by protein derivatives Having very high tensile strength and heat resistance Thermosetting material Having high flexural strength Exemplified by protein derivatives Having very high tensile strength and heat resistance Thermosetting material ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology The rate controlling step in the manufacture of silicone rubber is the Condensation of siloxane to silicone Polymer termination step None of these Initial hydrolysis of silicone monomer Condensation of siloxane to silicone Polymer termination step None of these Initial hydrolysis of silicone monomer ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Polyvinyl chloride (PVC) Uses either emulsion or suspension polymerisation methods Is produced by polycondensation reaction Softening temperature is 200°C Can be made thermosetting by adding a plasticiser Uses either emulsion or suspension polymerisation methods Is produced by polycondensation reaction Softening temperature is 200°C Can be made thermosetting by adding a plasticiser ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology The starting material used for the manufacture of caprolactum is DMT Cyclohexane Ethylene glycol Ethyl benzene DMT Cyclohexane Ethylene glycol Ethyl benzene ANSWER DOWNLOAD EXAMIANS APP